The trend of accountancy firms taking on private equity investment and breaking from the traditional partner ownership model has gathered pace in the US. American firms like EisnerAmper, Citrin Cooperman, and Cherry Bekaert have all agreed deals in recent years with private equity firms keen to deploy capital into the sector. The upside for accountancy firms is that senior partners can share in the spoils of the deal while also arming the business with capital to start investing in growth through the likes of M&A. This year, though, the scale of that private equity investment has intensified in the US…